Question

If the cost of 15 books is Rs 165, what will be the cost of 20 such books?

Answer 1

Answer:

cost of 20 books= rs 220

Step-by-step explanation:

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Answer 2

Cost of 15 books = Rs. 165

Therefore, cost of one book

$= \frac{165}{15} = 11$

Hence, cost of 20 such books

$= 11 \times 20 = 220$

Cost of 20 books is Rs. 220/-